80688074 has 4 divisors (see below), whose sum is σ = 121032114. Its totient is φ = 40344036.

The previous prime is 80688067. The next prime is 80688077. The reversal of 80688074 is 47088608.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41538025 + 39150049 = 6445^2 + 6257^2 .

It is not an unprimeable number, because it can be changed into a prime (80688077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20172017 + ... + 20172020.

Almost surely, 2^80688074 is an apocalyptic number.

80688074 is a deficient number, since it is larger than the sum of its proper divisors (40344040).

80688074 is a wasteful number, since it uses less digits than its factorization.

80688074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40344039.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 80688074 is about 8982.6540621355. The cubic root of 80688074 is about 432.1187552174.

The spelling of 80688074 in words is "eighty million, six hundred eighty-eight thousand, seventy-four".